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3 years ago

9

(x - 9(a/8)) = a a = 16

1 answer:

kenny6666 [7]3 years ago

5 0

Answer:

x = 34

Step-by-step explanation:

(x - 9(16/8)) = 16

(x - 9(2)) = 16 Divide 16 and 8

x - 18 = 16 Multiply 9 and 2

x = 34 Add 18 to both sides

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EastWind [94]

If f(1) =5-2(1)
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3 years ago

22. Solve 7x - 9 = 28+ 4(x - 1).<br> X=-3<br> X=3<br> x = 11<br> X=-11

aleksley [76]

Answer:

c) x = 11

Step-by-step explanation:

Given equation: 7x - 9 = 28 + 4(x - 1)

<u><em>Steps:</em></u>

1. Distribute 4 through the parentheses:

7x - 9 = 28 + 4(x) + 4(-1)

7x - 9 = 28 + 4x - 4 [simplify]

7x - 9 = 24 + 4x

2. Subtract 4x from both sides:

7x - 4x - 9 = 24 + 4x - 4x

3x - 9 = 24

3. Add 9 to both sides:

3x - 9 + 9 = 24 + 9

3x = 33

4. Divide both sides by 3:

3x ÷ 3 = 33 ÷ 3

x = 11

5. Check your work:

7x - 9 = 28 + 4(x - 1) [substitute 11 for x]

7(11) - 9 = 28 + 4(11 - 1) [simplify]

77 - 9 = 28 + 4(10) [simplify]

68 = 28 + 40 [add]

68 = 68 ✔

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2 years ago

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3 years ago

What number should be added to 18 to get a sum of −97?

NARA [144]

$x + 18 = - 97 \\ x = - 115$
Answer: -115 should be added to 18 to get a sum of -97.

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4 years ago

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scoray [572]

Answer:

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Step-by-step explanation:

Add 2x-15 to both sides to get 2x=-12 or x = -6.

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3 years ago

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